WSU Extension programs and employment are available to all without discrimination. Evidence of noncompliance may be reported through your local Extension office. Oak: Anthracnose categories: Oak Oak Diseases Ornamental trees Ornamentals revision date: 2024-06-05 02:07 Biology Oak anthracnose is a fungal disease of leaves and twigs of many species of oak. Typical symptoms include the […]
WSU Extension programs and employment are available to all without discrimination. Evidence of noncompliance may be reported through your local Extension office. Oak: Armillaria root rot categories: Oak Oak Diseases Ornamental trees Ornamentals revision date: 2022-11-25 12:24 White fungal mat of Armillaria root rot infecting trunkPhoto by: C.R. Foss Biology Armillaria root rot is a […]
WSU Extension programs and employment are available to all without discrimination. Evidence of noncompliance may be reported through your local Extension office. Oak: Leaf scorch categories: Oak Oak Diseases Ornamental trees Ornamentals revision date: 2022-11-25 12:20 Oak leaf with leaf scorch symptomsPhoto by: B.M. Johnson Biology Leaf scorch has many possible causes. Plants that are […]
WSU Extension programs and employment are available to all without discrimination. Evidence of noncompliance may be reported through your local Extension office. Oak: Mistletoe categories: Oak Oak Diseases Ornamental trees Ornamentals revision date: 2022-11-25 12:16 Oak mistletoe (a true mistletoe)Photo by: J.W. Pscheidt Biology Mistletoe is a parasitic plant which grows on the branches of […]
WSU Extension programs and employment are available to all without discrimination. Evidence of noncompliance may be reported through your local Extension office. Oak: Sudden oak death categories: Oak Oak Diseases Ornamental trees Ornamentals revision date: 2022-11-25 12:00 P. ramorum symptoms on tanoak leavesPhoto by: M. Elliott Biology Sudden oak death (SOD) is the common name […]